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-rw-r--r--decoder/include/common/trc_raw_buffer.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/decoder/include/common/trc_raw_buffer.h b/decoder/include/common/trc_raw_buffer.h
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+++ b/decoder/include/common/trc_raw_buffer.h
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+/*
+* \file trc_raw_buffer.h
+* \brief OpenCSD : Trace raw data byte buffer
+*
+* \copyright Copyright (c) 2019, ARM Limited. All Rights Reserved.
+*/
+
+/*
+* Redistribution and use in source and binary forms, with or without modification,
+* are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+*
+* 3. Neither the name of the copyright holder nor the names of its contributors
+* may be used to endorse or promote products derived from this software without
+* specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
+* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef ARM_TRC_RAW_BUFFER_H_INCLUDED
+#define ARM_TRC_RAW_BUFFER_H_INCLUDED
+
+#include <vector>
+
+class TraceRawBuffer
+{
+public:
+ TraceRawBuffer() :
+ m_bufSize(0),
+ m_bufProcessed(0),
+ m_pBuffer(0),
+ pkt(0)
+ {};
+ ~TraceRawBuffer() {};
+
+ // init the buffer
+ void init(const uint32_t size, const uint8_t *rawtrace, std::vector<uint8_t> *out_packet);
+ void copyByteToPkt(); // move a byte to the packet buffer
+ uint8_t peekNextByte(); // value of next byte in buffer.
+
+ bool empty() { return m_bufProcessed == m_bufSize; };
+ // bytes processed.
+ uint32_t processed() { return m_bufProcessed; };
+ // buffer size;
+ uint32_t size() { return m_bufSize; }
+
+private:
+ uint32_t m_bufSize;
+ uint32_t m_bufProcessed;
+ const uint8_t *m_pBuffer;
+ std::vector<uint8_t> *pkt;
+
+};
+
+// init the buffer
+inline void TraceRawBuffer::init(const uint32_t size, const uint8_t *rawtrace, std::vector<uint8_t> *out_packet)
+{
+ m_bufSize = size;
+ m_bufProcessed = 0;
+ m_pBuffer = rawtrace;
+ pkt = out_packet;
+}
+
+inline void TraceRawBuffer::copyByteToPkt()
+{
+ if (!empty()) {
+ pkt->push_back(m_pBuffer[m_bufProcessed]);
+ m_bufProcessed++;
+ }
+}
+
+inline uint8_t TraceRawBuffer::peekNextByte()
+{
+ uint8_t val = 0;
+ if (!empty())
+ val = m_pBuffer[m_bufProcessed];
+ return val;
+}
+
+#endif // ARM_TRC_RAW_BUFFER_H_INCLUDED
+